Patent US4062965A successfully refreshed from Google Patents.
US4062965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary imidazole compounds as microbicides
Assignee: Evonik Operations GmbH
•
Filing: 1976-03-05
•
Granted: 1977-12-13
•
Expires: 1996-03-05
Abstract
Abstract This invention relates to novel compounds having the formula: <IMAGE> wherein R1 is a straight-chain alkyl group having 8 to 18 carbon atoms, R2 is a straight-chain alkyl group having 1 to 3 carbon atoms, R3 is a straight-chain alkyl group having 8 to 16 carbon atoms, and X is chlorine or bromine. The invention further relates to novel microbiocidal compositions containing the novel compounds, and also to a process for preparing the novel compounds.
Inventors
- 👤 Ulrich Holtschmidt
- 👤 Gunter Schwarzmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:44
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07D233/00; C07D233/54; C07D233/56; C07D249/00; C07D249/02; C07D249/08
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
68 words
A process for killing microbes which comprises contacting said microbes with a microbiocidally effective amount of a compound having the formula ##STR4## wherein R 1 is a straight-chain alkyl group having 8 to 18 carbon atoms, R 2 is a straight-chain alkyl group having 1 to 3 carbon atoms, R 3 is a straight-chain alkyl group having 8 to 16 carbon atoms, and X is chlorine or bromine.
Claim 2
Dependent Claim
68 words
A process for killing microbes which comprises contacting said microbes with a microbiocidally effective amount of a compound having the formula ##STR4## wherein R 1 is a straight-chain alkyl group having 8 to 18 carbon atoms, R 2 is a straight-chain alkyl group having 1 to 3 carbon atoms, R 3 is a straight-chain alkyl group having 8 to 16 carbon atoms, and X is chlorine or bromine.
Claim 3
Dependent Claim
15 words
A process according to claim 1 in which the compound has the formula 1,3-di-n-dodecyl-2-methyl-imidazole bromide.
Claim 4
Dependent Claim
15 words
A process according to claim 1 in which the compound has the formula 1-n-dodecyl-2-methyl-3-n-octyl-imidazole bromide.
Claim 5
Dependent Claim
15 words
A process according to claim 1 in which the compound has the formula 1-n-hexadecyl-2-methyl-3-n-octyl-imidazole bromide.
Claim 6
Dependent Claim
15 words
A process according to claim 1 in which the compound has the formula 1,3-di-n-octyl-2-methyl-imidazole bromide.
Claim 7
Dependent Claim
15 words
A process according to claim 1 in which the compound has the formula 1,3-di-n-octyl-2-ethyl-imidazole bromide.
Claim 8
Dependent Claim
15 words
A process according to claim 1 in which the compound has the formula 1,3-di-n-dodecyl-2-ethylimidazole bromide.
Claim 9
Dependent Claim
16 words
A process according to claim 1 in which the compound has the formula 1-n-dodecyl-2-ethyl-3-n-octyl imidazole chloride.
Claim 10
Dependent Claim
16 words
A process according to claim 1 in which the compound has the formula 1-n-hexadecyl-2-ethyl-3-n-octyl imidazole bromide.
Claim 11
Dependent Claim
16 words
A process according to claim 1 in which the compound has the formula 1-n-hexadecyl-2-n-propyl-3-n-octyl imidazole bromide.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-12 | 1981-06-13 | 1981-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-12 | 1985-06-13 | 1985-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-12 | 1989-06-13 | 1989-12-13 | $7700.00 | Window Closed / Lapsed |